977307985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^2\times {\mathrm{1669}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 1257650280

約数和(自身を除く): 280342295

約数列:

[1, 5, 17, 83, 85, 415, 1411, 1669, 6889, 7055, 8345, 28373, 34445, 117113, 138527, 141865, 585565, 692635, 2354959, 11497741, 11774795, 57488705, 195461597, 977307985]

約数ペア:

[(1, 977307985), (5, 195461597), (17, 57488705), (83, 11774795), (85, 11497741), (415, 2354959), (1411, 692635), (1669, 585565), (6889, 141865), (7055, 138527), (8345, 117113), (28373, 34445)]